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1. 2x2 + 2y2 − 4x − 12y + 11 = 0  বৃত্তটির ব্যাসার্ধ কত?

  • A. √ 29
  • B. √ 29
  • C. √ 29
  • D. √ 29

Answer: Option D

Explanation:

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